Evaporative Cooling Neck & Wrist Products TechNiche's Evaporative Cooling Neck & Wrist Products provide 5-10 hours of cooling relief per soaking.  They are lightweight, durable, and washable.   Evaporative Cooling 6519 HyperKewlTM Neck Bands Economical and effective; tie fasten for comfort Comfortable, quilted 100% cotton outer with HyperKewlTM fabric inner American Flag, Desert Camo, Royal Blue One Size     Evaporative Cooling 6520 HyperKewlTM Deluxe Neck Bands Low profile hook & loop closure; ideal for use under uniforms Comfortable, quilted 100% cotton outer with HyperKewlTM fabric inner Royal Blue, and Khaki One Size     Evaporative Cooling 6535 HyperKewlTM Crown Coolers w/Neck Shades Protect head and neck from dangerous heat and sun while on the job; hook & loop attaches easily to hard hat liner (hard hat not included) Comfortable, quilted nylon outer with HyperKewlTM fabric inner, water-repellant nylon liner, black cotton-poly elastic trim, and hook & loop attachments Hi-Viz Lime outer color One Size     Evaporative Cooling 6525 HyperKewlTM Neck Shades* Keep neck cool, comfortable and protected from the sun's damaging rays; hook & loop conveniently attaches to hard hat liner (hard hat not included) and releases easily for safety Comfortable, quilted nylon outer with HyperKewlTM fabric inner, water-repellant nylon liner, black cotton-poly elastic straps, and hook & loop attachments Hi Viz Lime One Size Can be ordered in NOMEX (6525-N) and INDURA (6525-I) fire resistant fabrics *Approved for purchase by the CA, AZ and TX DOT (Departments of Transportation)     Evaporative Cooling 6573 HyperKewlTM Wrist Wraps Lower overall body temperature by using on wrists; hook & loop closure for custom fit Comfortable, quilted nylon outer with HyperKewlTM embedded fabric inner, water-repellant nylon liner, black cotton-poly elastic trim, and hook & loop attachments Royal Blue One Size